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fmu-v6c: fix Telem1, Telem2 without flow control

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When flow control is used together with DMA, we need to add a pulldown
to CTS. Without it, it assumes flow control and gets stuck when
CTS is not connected.

Signed-off-by: Julian Oes <julian@oes.ch>
This commit is contained in:
Julian Oes
2023-05-03 07:55:55 +12:00
parent 9e5420bbbd
commit 3cc940cb06
1 changed files with 3 additions and 2 deletions
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boards/px4/fmu-v6c/nuttx-config/include/board.h
+3 -2
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@@ -375,7 +375,8 @@
#define GPIO_UART5_RX GPIO_UART5_RX_3 /* PD2 */
#define GPIO_UART5_TX GPIO_UART5_TX_3 /* PC12 */
// GPIO_UART5_RTS no remap /* PC8 */
// GPIO_UART5_CTS No remap /* PC9 */
#undef GPIO_UART5_CTS
#define GPIO_UART5_CTS ((GPIO_ALT|GPIO_AF8|GPIO_PORTC|GPIO_PIN9) | GPIO_PULLDOWN) /* PC9 */
#define GPIO_USART6_RX GPIO_USART6_RX_1 /* PC7 */
#define GPIO_USART6_TX GPIO_USART6_TX_1 /* PC6 */
@@ -383,7 +384,7 @@
#define GPIO_UART7_RX GPIO_UART7_RX_3 /* PE7 */
#define GPIO_UART7_TX GPIO_UART7_TX_3 /* PE8 */
#define GPIO_UART7_RTS GPIO_UART7_RTS_1 /* PE9 */
#define GPIO_UART7_CTS GPIO_UART7_CTS_1 /* PE10 */
#define GPIO_UART7_CTS (GPIO_UART7_CTS_1 | GPIO_PULLDOWN) /* PE10 */
#define GPIO_UART8_RX GPIO_UART8_RX_1 /* PE0 */
#define GPIO_UART8_TX GPIO_UART8_TX_1 /* PE1 */